Patents by Inventor Christan A. Clausen

Christan A. Clausen has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Reactive material placement technique for groundwater treatment
    Patent number: 6207114
    Abstract: The invention provides a permeable treatment wall comprising one or more high-permeability columns, as well as a methods for preparing such a permeable treatment wall.
    Type: Grant
    Filed: July 13, 1998
    Date of Patent: March 27, 2001
    Assignee: The United States of America as represented by the Administrator of the National Aeronautics and Space Administration
    Inventors: Jacqueline W. Quinn, Christan A. Clausen, Debra R. Reinhart, Manoj B. Chopra